1 package org.apache.turbine.services.intake.model;
2
3 /* ====================================================================
4 * The Apache Software License, Version 1.1
5 *
6 * Copyright (c) 2001 The Apache Software Foundation. All rights
7 * reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 *
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 *
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
19 * distribution.
20 *
21 * 3. The end-user documentation included with the redistribution,
22 * if any, must include the following acknowledgment:
23 * "This product includes software developed by the
24 * Apache Software Foundation (http://www.apache.org/)."
25 * Alternately, this acknowledgment may appear in the software itself,
26 * if and wherever such third-party acknowledgments normally appear.
27 *
28 * 4. The names "Apache" and "Apache Software Foundation" and
29 * "Apache Turbine" must not be used to endorse or promote products
30 * derived from this software without prior written permission. For
31 * written permission, please contact apache@apache.org.
32 *
33 * 5. Products derived from this software may not be called "Apache",
34 * "Apache Turbine", nor may "Apache" appear in their name, without
35 * prior written permission of the Apache Software Foundation.
36 *
37 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
38 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
39 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
40 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
41 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
42 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
43 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
44 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
45 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
46 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
47 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
48 * SUCH DAMAGE.
49 * ====================================================================
50 *
51 * This software consists of voluntary contributions made by many
52 * individuals on behalf of the Apache Software Foundation. For more
53 * information on the Apache Software Foundation, please see
54 * <http://www.apache.org/>.
55 */
56
57 import java.text.DateFormat;
58 import java.text.ParseException;
59 import java.util.Date;
60 import org.apache.turbine.services.intake.validator.DateStringValidator;
61 import org.apache.turbine.services.intake.xmlmodel.XmlField;
62 import org.apache.turbine.util.ParameterParser;
63
64 /***
65 * Field for date inputs as free form text. The parsing of date strings
66 * is dependent on any rules that are defined, so this field will expect that
67 * any validator will be (or extend) DateStringValidator.
68 *
69 * @author <a href="mailto:jmcnally@collab.net">John McNally</a>
70 */
71 public class DateStringField extends Field
72 {
73 private DateFormat df = null;
74
75 public DateStringField(XmlField field, Group group)
76 throws Exception
77 {
78 super(field, group);
79
80 if ( validator == null )
81 {
82 df = DateFormat.getInstance();
83 df.setLenient(true);
84 }
85 }
86
87 /***
88 * A suitable validator.
89 *
90 * @return "DateStringValidator"
91 */
92 protected String getDefaultValidator()
93 {
94 return "org.apache.turbine.services.intake.validator.DateStringValidator";
95 }
96
97
98
99 private Date getDate(String dateString)
100 {
101 Date date = null;
102 try
103 {
104 // FIXME: Canonicalize user-entered date strings.
105 if ( df == null ) // guarantees validator != null
106 {
107 date = ((DateStringValidator)validator).parse(dateString);
108 }
109 else
110 {
111 date = df.parse(dateString);
112 }
113 }
114 catch (ParseException e)
115 {
116 //ignore, return null
117 }
118 return date;
119 }
120
121 /***
122 * converts the parameter to the correct Object.
123 */
124 protected void doSetValue(ParameterParser pp)
125 {
126 if ( isMultiValued )
127 {
128 String[] ss = pp.getStrings(getKey());
129 Date[] dates = new Date[ss.length];
130 for (int i=0; i<ss.length; i++)
131 {
132 dates[i] = getDate(ss[i]);
133 }
134 setTestValue(dates);
135 }
136 else
137 {
138 setTestValue( getDate(pp.getString(getKey())) );
139 }
140 }
141
142 /***
143 * Sets the default value for an ComboKeyField
144 */
145
146 protected void setDefaultValue(String prop)
147 {
148 defaultValue = prop;
149 }
150 }
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